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td widths, not working?
...
It should be:
<td width="200">
or
<td style="width: 200px">
Note that if your cell contains some content that doesn't fit into the 200px (like somelongwordwithoutanyspaces), the cell will stretch nevertheless, unless your CSS contains table-layout...
How to check if an appSettings key exists?
...nfigurationManager.AppSettings[name] != null)
{
// Now do your magic..
}
or
string s = ConfigurationManager.AppSettings["myKey"];
if (!String.IsNullOrEmpty(s))
{
// Key exists
}
else
{
// Key doesn't exist
}
shar...
Get type of all variables
...of(ls())
[1] "character"
typeof(get(ls()))
[1] "integer"
Alternatively, for the problem as presented you might want to use eapply:
eapply(.GlobalEnv,typeof)
$x
[1] "integer"
$a
[1] "double"
$b
[1] "character"
$c
[1] "list"
...
How to reload .bash_profile from the command line?
... to persist even though they're there in the file when I open it in an editor. Confusing.
– erwinheiser
Sep 13 '14 at 13:22
3
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Merge, update, and pull Git branches without using checkouts
I work on a project that has 2 branches, A and B. I typically work on branch A, and merge stuff from branch B. For the merging, I would typically do:
...
Convert the values in a column into row names in an existing data frame
...n existing data frame into row names. Is is possible to do this without exporting the data frame and then reimporting it with a row.names = call?
...
How to define an empty object in PHP
... stdClass is the default PHP object.
stdClass has no properties, methods or
parent. It does not support magic
methods, and implements no interfaces.
When you cast a scalar or array as
Object, you get an instance of
stdClass. You can use stdClass
whenever you need a generic object
...
Prefer composition over inheritance?
Why prefer composition over inheritance? What trade-offs are there for each approach? When should you choose inheritance over composition?
...
Convert a JSON String to a HashMap
...t;String, Object> map = new HashMap<String, Object>();
Iterator<String> keysItr = object.keys();
while(keysItr.hasNext()) {
String key = keysItr.next();
Object value = object.get(key);
if(value instanceof JSONArray) {
value = toList((JSONA...
jquery: $(window).scrollTop() but no $(window).scrollBottom()
...I can't use "position: fixed" css as many of my clients' browser can't support that.
10 Answers
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